Inventor

Hidemi Sato

Inventor
Yokohama, JP

Overview

18→
Patents
1983–2006
Patent span
Physics
Primary field (CPC G)

Patents· 18 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B24Bprimary
B24BMachines, devices, or processes for grinding or polishing25%
G02BOptical elements, systems or apparatus18%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%
G11BInformation storage based on relative movement between record carrier and transducer11%
B23KSoldering or unsoldering4%
B29CShaping or joining of plastics4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2005Patents assigned to HITACHI LTD (15)· patent assignee history
1983–2006Based in Yokohama, JP· patent location history
1988Patents assigned to HITACHI CONSTRUCTION MACHINERY (1)· patent assignee history
1991Patents assigned to ARIMOTO AKIRA (1)· patent assignee history
1991Patents assigned to FUKUSHIMA ATSUKO (1)· patent assignee history
1991Patents assigned to HIRA YASUO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD151983–2005
ARIMOTO AKIRA11991
FUKUSHIMA ATSUKO11991
HIRA YASUO11991
HITACHI CONSTRUCTION MACHINERY11988
Locations
LocationPatentsSpan
Yokohama, JP181983–2006